Concrete Strength Grade

C50

C55

C60

C65

C70

C75

C80

Elastic Modulus/MPa

36,400

37,600

38,700

39,700

40,700

41,600

42,500

Concrete Yield Stress/MPa

40

44

48

52

56

60

64

Concrete Plastic Tangential Modulus/MPa

30,900

32,700

34,100

35,200

36,600

37,800

38,700

Ultimate Bearing Capacity/MPa

13.9

14.6

15.7

16.5

17.7

18.9

20.2